Using GTP and glabel for ZFS arrays
freebsd at jdc.parodius.com
Thu Jul 22 06:59:43 UTC 2010
On Thu, Jul 22, 2010 at 02:32:48AM -0400, Dan Langille wrote:
> On 7/21/2010 11:39 PM, Adam Vande More wrote:
> >On Wed, Jul 21, 2010 at 10:34 PM, Adam Vande More <amvandemore at gmail.com
> ><mailto:amvandemore at gmail.com>> wrote:
> >Also if you have an applicable SATA controller, running the ahci module
> >with give you more speed. Only change one thing a time though.
> >Virtualbox makes a great testbed for this, you don't need to allocate
> >the VM a lot of RAM just make sure it boots and such.
> I'm not sure of the criteria, but this is what I'm running:
> atapci0: <SiI 3124 SATA300 controller> port 0xdc00-0xdc0f mem
> 0xfbeffc00-0xfbeffc7f,0xfbef0000-0xfbef7fff irq 17 at device 4.0 on
> atapci1: <SiI 3124 SATA300 controller> port 0xac00-0xac0f mem
> 0xfbbffc00-0xfbbffc7f,0xfbbf0000-0xfbbf7fff irq 19 at device 4.0 on
> I added ahci_load="YES" to loader.conf and rebooted. Now I see:
> ahci0: <ATI IXP700 AHCI SATA controller> port
> mem 0xfb3fe400-0xfb3fe7ff irq 22 at device 17.0 on pci0
> Which is the onboard SATA from what I can tell, not the controllers
> I installed to handle the ZFS array. The onboard SATA runs a
> gmirror array which handles /, /tmp, /usr, and /var (i.e. the OS).
> ZFS runs only on on my /storage mount point.
The Silicon Image controllers have their own driver, siis(4), which uses
AHCI as well. It's just as reliable as ahci(4), and undergoes
| Jeremy Chadwick jdc at parodius.com |
| Parodius Networking http://www.parodius.com/ |
| UNIX Systems Administrator Mountain View, CA, USA |
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